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Finding the Fourth Proportional to 65,772.33, 98,674.69 and 19,029.93

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Solution

The fourth proportional to 65,772.33, 98,674.69 and 19,029.93 is: 28,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,772.33 : 98,674.69 = 19,029.93 : x
  2. Step 2: Convert to fraction form
    65,772.33/98,674.69 = 19,029.93/x
  3. Step 3: Cross multiply
    65,772.33x = 98,674.69 × 19,029.93
  4. Step 4: Simplify right side
    65,772.33x = 1,877,772,443.47
  5. Step 5: Solve for x
    x = 1,877,772,443.47/65,772.33
  6. Step 6: Final answer
    x = 28,549.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.